Use the figure to answer the question.

Mathematics

1 answer:

irina [24]3 years ago

8 0

Answer:

$33.72 \: square \: yards$

Step-by-step explanation:

$4 \times 10 = 40 \\ {2}^{2} \pi \div 2 = 6.28 \\ 40 - 6.28 = 33.72$

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Which equation does the graph represent?

Art [367]

Answer:

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Step-by-step explanation:

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If the x is the main axis we use the first form. If the y is the main axis we use the second form. We will use the second form.

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PilotLPTM [1.2K]

I'm guessing that you know about 45-45-90 and 30-60-90 triangles.

In 45-45-90 triangles, the legs are in a ratio such that the hypotenuse is $\sqrt{2}$ times the legs.

In 30-60-90 triangles, the legs are in a ratio of 1: $\sqrt{3}$ :2

In the picture given we have been given a value of the side of the 45-45-90 triangle. We can deduce that the value of the hypotenuse is 9 $\sqrt{2}$ because of the ratio of the sides of a 45-45-90 triangle.

The 30-60-90 triangle shares the same hypotenuse, and so we now know a value of one of its sides as well. The ratio of the side of value 'x' and the hypotenuse is $\sqrt{3}$ : 2

We can create an equation to solve for x using these ratios:

$\frac{\sqrt{3} }{2}$ = $\frac{x}{9\sqrt{2} }$